Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7187631 | Disc apparatus for reproducing a signal on a disc using a laser beam | Shigekazu Minechika, Hideaki Yano, Keiji Nagata, Ichizo Sakamoto, Kenji Asano +1 more | 2007-03-06 |